To compare which device amongst blockcbuster LMA and I-gel plus is better to pass a tube to the lungs during anesthesia and surgery

A randomized comparative study of first attempt blind endotracheal intubation success rate using Igel Plus versus Blockbuster laryngeal mask airway in patients undergoing general anaesthesia.

Status

Active, not recruiting

Phases

Phase 1Phase 2

Study type

Interventional

Source

CTRI

Registry ID

CTRI/2026/04/108490

Enrollment

150

Registered

2026-04-15

Start date

Unknown

Completion date

Unknown

Last updated

2026-04-27

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Health Condition 1: J00-J99- Diseases of the respiratory system

Interventions

Intervention1: I-gel Plus: Blind tracheal intubation will be attempted through the I-gel Plus and the first attempt intubation success rate will be recorded. Control Intervention1: Blockbuster lary

Eligibility

Inclusion criteria

Inclusion criteria: 1.ASA-PS I, II, III 2.Age between 18 to 65 years of either gender 3.Elective surgery under general anaesthesia 4.Intubation difficulty score less than 5

Exclusion criteria

Exclusion criteria: 1.ASA IV and above 2.Patient s denial to participate 3.Predicted difficult airway Wilsons score greater than 5 4.Obesity Class 2 and 3 5.Pregnant women 6.more than 3 attempts taken to insert LMA 7.Risk of aspiration 8.Head and neck surgery

Design outcomes

Primary

Measure	Time frame
First attempt blind tracheal intubation success rateTimepoint: Assessed during induction of general anaesthesia at the first attempt of intubation through the device	—

Secondary

Measure	Time frame
Brimacombe scoring Timepoint: Immediately after successful placement of the supraglottic airway device during induction of general anaesthesia;Oropharyngeal seal pressure in cm H2OTimepoint: Measured immediately after insertion of the supraglottic airway device and establishment of effective ventilation;The time taken to intubate in seconds Timepoint: From insertion of the endotracheal tube through the device until confirmation of tracheal intubation by capnography during induction of anaesthesia; Additional maneuver Yes or No Timepoint: During blind intubation attempt through the supraglottic airway device; The number of attempts at intubation limited to 3 Timepoint: Recorded during the intubation process following device insertion; Haemodynamic parameters Heart rate in min & mean arterial pressure in mm HgTimepoint: Baseline, after insertion of the supraglottic airway device, immediately after successful intubation,1 minute after intubation,3 minutes after intubation;Episodes of desaturation Timepoint: Monitored continuously from induction of anaesthesia until successful tracheal intubation; Complications Yes or NoTimepoint: Assessed immediately after device removal and within the post operative period	—

Measure

Time frame

Brimacombe scoring Timepoint: Immediately after successful placement of the supraglottic airway device during induction of general anaesthesia;Oropharyngeal seal pressure in cm H2OTimepoint: Measured immediately after insertion of the supraglottic airway device and establishment of effective ventilation;The time taken to intubate in seconds Timepoint: From insertion of the endotracheal tube through the device until confirmation of tracheal intubation by capnography during induction of anaesthesia; Additional maneuver Yes or No Timepoint: During blind intubation attempt through the supraglottic airway device; The number of attempts at intubation limited to 3 Timepoint: Recorded during the intubation process following device insertion; Haemodynamic parameters Heart rate in min & mean arterial pressure in mm HgTimepoint: Baseline, after insertion of the supraglottic airway device, immediately after successful intubation,1 minute after intubation,3 minutes after intubation;Episodes of desaturation Timepoint: Monitored continuously from induction of anaesthesia until successful tracheal intubation; Complications Yes or NoTimepoint: Assessed immediately after device removal and within the post operative period

—

Countries

India

Contacts

Public ContactKakanuru Lakshmi Bhavani

AIIMS Mangalagiri

dreeshwarmv@aiimsmangalagiri.edu.in9740122272

Outcome results

None listed

Source: CTRI (via WHO ICTRP) · Data processed: May 1, 2026